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Report of a study made jointly by the Divisions of Farm management and costs and Land economics.
There is no doubt that irrigation makes a major contribution to agricultural production, making a whole range of crops viable in an otherwise unreliable climate and helping insure against drought. However irrigation does not automatically guarantee a profit and acclaim, it is a high cost exercise, using water from increasingly scarce supplies, and contributes to environmental concerns of the community. Many of the pressures facing some irrigators have been caused by a lack of understanding in the past of best practices necessary in design, installation and management.Alternative methods of irrigation are presented, emphasising the characteristics of each that may make them suitable (or unsui...
World population is set to increase by a third in the next 25 years, with no corresponding increase in global rainfall. About seventy per cent of the world's abstracted water is used in farming and therefore the economics of irrigation is becoming an increasingly important issue for sustainable development. Water for Agriculture provides a thorough
Provides a comprehensive overview of the interventions available to optimise water management in agriculture, including rainwater harvesting and farm reservoirs Considers the development and application of alternative irrigation techniques which carry a reduced environmental impact, such as solar powered irrigation Addresses the importance of diversification and collaboration in securing water resources for a rapidly growing population
An introduction to runoff agriculture - a form of agricultural irrigation - this text describes how the use of surface and subsurface water, often overlooked and wasted, enables both small farmers and commercial agriculturists to improve yields and the security of harvest, even in harsh and remote environments. The text introduces the techniques and strategies, as well as the challenges and the potential of the crucial approach, which can contribute so much to reducing land degradation and improving conservation and sustainability.
Water is critical to all human activities, but access to this crucial resource is increasingly limited by competition and the effects of climate change. In agriculture, water management is key to ensuring good and sustained crop yields, maintaining soil health, and safeguarding the long-term viability of the land. Water management is especially challenging on smallholder farms in resource-poor areas, which tend to be primarily rainfed and thus highly dependent on unreliable rainfall patterns. Sustainable practices can help farmers promote the development of soils, plants and field surfaces to allow maximum retention of water between rains, and encourage the efficient use of each drop of water applied as irrigation. Especially useful for farmers' groups, agricultural extension workers, NGOs, students and researchers working with farmers in dryland areas, this comprehensive yet concise book is a practical and accessible resource for anyone interested in sustainable water management.